Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
19th September 1998
- 1Conditional Probability3 marks
25 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has minimum 14, lower quartile 21, median 31, upper quartile 39 and maximum 43. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 3 sides and 6 drinks. How many different meals are possible?
- 4Inequalities on Graphs3 marks
Does the point (-1, -2) satisfy y > -2x - 5?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 63. Work out y when x = 7.
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